- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/10 - Aza-phenanthrenes
Patent holdings for IPC class C07D 221/10
Total number of patents in this class: 77
10-year publication summary
|
13
|
5
|
3
|
6
|
2
|
2
|
1
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4898 |
4 |
| LG Chem, Ltd. | 17632 |
4 |
| Merck Patent GmbH | 5831 |
4 |
| The Regents of the University of California | 19918 |
3 |
| Boehringer Ingelheim International GmbH | 4650 |
3 |
| East China University of Science and Technology | 513 |
3 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 823 |
3 |
| Vitae Pharmaceuticals, Inc. | 96 |
3 |
| Canon Kabushiki Kaisha | 7056 |
3 |
| Bayer Cropscience AG | 2035 |
2 |
| Sumitomo Chemical Company, Limited | 9046 |
2 |
| ArQule, Inc. | 135 |
2 |
| Sagami Chemical Research Institute | 89 |
2 |
| Tosoh Corporation | 1287 |
2 |
| Universita' degli Studi di Udine | 81 |
2 |
| Samsung Electronics Co., Ltd. | 146092 |
1 |
| Samsung Display Co., Ltd. | 34696 |
1 |
| Canon Inc. | 39888 |
1 |
| Centre National de La Recherche Scientifique | 10418 |
1 |
| Konica Minolta, Inc. | 8729 |
1 |
| Other owners | 30 |